Compaq 222863-001 TaskSmart W2200 Administration Guide - Page 108

Data, and transmitted. Ethernet uses a network access method called Carrier-Sense

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B-4 Compaq TaskSmart W2200 Appliance Server Administration Guide Data Data exchange and utilization are important considerations of a Web server. A general understanding of networks helps to show why some of the settings are required in getting the server up and running for your needs. The basic or lowest level of data is the bit and can be described as a "1" or "0." A "1" is a high state while a "0" is a low state. In an electrical sense, a bit can be compared to a 5-volt and 0-volt difference or a high and low. Each individual "1" or "0" is a bit and a set of eight bits is a byte or octet. A relationship can now be drawn between an individual bit, a byte, and data transfer. The data is sent and received in streams by the network interface controller (NIC) in each device that is communicating. The TaskSmart W2200 appliance server has two Ethernet NICs. The controllers are set to have a specific address to identify that individual device so that other devices can identify it when sending data. Ethernet is the most widely used network system. IEEE 802.3 defines Ethernet in international terms. The technology consists of how the packets are set up and transmitted. Ethernet uses a network access method called Carrier-Sense Multiple-Access with Collision-Detection (CSMA/CD). The system that data is to be transmitted from listens to the network for a transmission. If no transmission is heard, then the system transmits the data. After transmission, the system checks for a collision. If a collision is found, then the computer retransmits the same data after a random amount of time. This process is depicted in Figure B-2. This process takes place on Layer 1 and Layer 2 of the ISO/OSI reference model.

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B-4
Compaq TaskSmart W2200 Appliance Server Administration Guide
Data
Data exchange and utilization are important considerations of a Web server. A
general understanding of networks helps to show why some of the settings are
required in getting the server up and running for your needs.
The basic or lowest level of data is the bit and can be described as a “1” or
“0.” A “1” is a high state while a “0” is a low state. In an electrical sense, a bit
can be compared to a 5-volt and 0-volt difference or a high and low. Each
individual “1” or “0” is a bit and a set of eight bits is a byte or octet. A
relationship can now be drawn between an individual bit, a byte, and data
transfer.
The data is sent and received in streams by the network interface controller
(NIC) in each device that is communicating. The TaskSmart W2200 appliance
server has two Ethernet NICs. The controllers are set to have a specific address
to identify that individual device so that other devices can identify it when
sending data.
Ethernet is the most widely used network system. IEEE 802.3 defines Ethernet
in international terms. The technology consists of how the packets are set up
and transmitted. Ethernet uses a network access method called Carrier-Sense
Multiple-Access with Collision-Detection (CSMA/CD). The system that data
is to be transmitted from listens to the network for a transmission. If no
transmission is heard, then the system transmits the data. After transmission,
the system checks for a collision. If a collision is found, then the computer
retransmits the same data after a random amount of time. This process is
depicted in Figure B-2. This process takes place on Layer 1 and Layer 2 of the
ISO/OSI reference model.